knock·down /ˈnɑkˌdaʊn/
 (a.)擊倒的,組合式的,預鑄組合式壓倒者,烈酒,組合式物


 Knock·down a.
 1. Of force sufficient to fell or completely overthrow; as, a knockdown blow; a knockdown argument..
 2. Designating a rivet end to be formed into a head by upsetting in fastening.
 3. Of or pertaining to the act of knocking down at an auction; specif., designating the price below which an article will not be disposed by the auctioneer.
 4.  Made or constructed so as to be capable of being knocked down or taken apart, as for transportation.

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 Knock·down n.
 1. That which knocks one down; something that overpowers or overwhelms, as strong liquor; specif., a kind of ale or beer that is very strong. [Slang.]
 2.  A knocking down; a felling by a knock, as of a combatant, or of an animal; a blow that overwhelms; also, a fist fight.
 3.  Something that knocks down, or takes apart, for packing or removal, as a piece of furniture; also, state of being knocked down, or taken apart.


 knock-down
      adj : strong enough to knock down or overwhelm; "a knock-down
            blow" [syn: knock-down(a), powerful]


 knockdown
      adj : (furniture) easily assembled and dismantled; "I bought a
            knockdown chest at the do-it-yourself store"
      n : a blow that knocks the opponent off his feet